Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Remain unchanged Increase May increase or decrease; depends on the pressure Decrease Remain unchanged Increase May increase or decrease; depends on the pressure Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the wavelength of monochromatic radiation nature of material of body none of the listed here temperature of the body only wavelength of monochromatic radiation nature of material of body none of the listed here temperature of the body only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Decreases Increases Remains unaffected Increases exponentially Decreases Increases Remains unaffected Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is None of these In the central core of the fluid Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface None of these In the central core of the fluid Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the increased true temperature drop increase in liquor film co-efficient decreased capacity decreased effect of hydrostatic head increased true temperature drop increase in liquor film co-efficient decreased capacity decreased effect of hydrostatic head ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Fuel is cheaply available Corrosive liquids are to be concentrated Evaporation on small scale is to be done Large scale evaporation of liquor is needed Fuel is cheaply available Corrosive liquids are to be concentrated Evaporation on small scale is to be done Large scale evaporation of liquor is needed ANSWER DOWNLOAD EXAMIANS APP
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